Reactive dye mixtures for low-salt dyeing

US6368362B1 · kind B1 · utility

Assignee

• DyStar Textilfarben GmbH & Co. Deutschland KG · DE

Inventors

• Ronald Pedemonte · Wesley Chapel, US
• Uwe Reiher · Hofheim, DE
• Christina Schumacher · Kelkheim, DE
• Martin Kunz · Weil am Rhein, DE
• Joachim Eichhorn · Frankfurt, DE

Key dates

• Filing date: Apr 19, 2000
• Grant date: Apr 9, 2002
• Expiry date: Apr 19, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/918
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to mixtures of reactive dyes comprising at least two dyes selected from the group consisting of the general formulae (1), (2) and (3) where D1, D2, D3, R1, R2, Hal and M are each as defined in claim 1, processes for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.